<HTML>
<HEAD>
<TITLE>颜色</TITLE>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<STYLE TYPE="text/css">
 td {font-size: 10.8pt}
 body {font-size: 10.8pt}
 BUTTON {width:5em}
</STYLE>

<SCRIPT LANGUAGE=JavaScript>
var SelRGB = '';
var DrRGB = '';
var SelGRAY = '120';

var hexch = new Array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');

function ToHex(n)
{	var h, l;

	n = Math.round(n);
	l = n % 16;
	h = Math.floor((n / 16)) % 16;
	return (hexch[h] + hexch[l]);
}

function DoColor(c, l)
{ var r, g, b;

  r = '0x' + c.substring(1, 3);
  g = '0x' + c.substring(3, 5);
  b = '0x' + c.substring(5, 7);
  
  if(l > 120)
  {
    l = l - 120;

    r = (r * (120 - l) + 255 * l) / 120;
    g = (g * (120 - l) + 255 * l) / 120;
    b = (b * (120 - l) + 255 * l) / 120;
  }else
  {
    r = (r * l) / 120;
    g = (g * l) / 120;
    b = (b * l) / 120;
  }

  return '#' + ToHex(r) + ToHex(g) + ToHex(b);
}

function EndColor()
{ var i;

  if(DrRGB != SelRGB)
  {
    DrRGB = SelRGB;
    for(i = 0; i <= 30; i ++)
      GrayTable.rows(i).bgColor = DoColor(SelRGB, 240 - i * 8);
  }

  SelColor.value = DoColor(RGB.innerText, GRAY.innerText);
  ShowColor.bgColor = SelColor.value;
}
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=ColorTable EVENT=onclick>
  SelRGB = event.srcElement.bgColor;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=ColorTable EVENT=onmouseover>
  RGB.innerText = event.srcElement.bgColor;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=ColorTable EVENT=onmouseout>
  RGB.innerText = SelRGB;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=GrayTable EVENT=onclick>
  SelGRAY = event.srcElement.title;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=GrayTable EVENT=onmouseover>
  GRAY.innerText = event.srcElement.title;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=GrayTable EVENT=onmouseout>
  GRAY.innerText = SelGRAY;
  EndColor();
</SCRIPT>

<SCRIPT LANGUAGE=JavaScript FOR=Ok EVENT=onclick>
  window.returnValue = SelColor.value;
  window.close();
</SCRIPT>

</HEAD>

<BODY bgcolor=menu>

<div align="center"><center><table border="0" cellspacing="10" cellpadding="0"><tr><td>
<TABLE ID=ColorTable BORDER=0 CELLSPACING=0 CELLPADDING=0 style='cursor:hand'>
<SCRIPT LANGUAGE=JavaScript>
function wc(r, g, b, n)
{
	r = ((r * 16 + r) * 3 * (15 - n) + 0x80 * n) / 15;
	g = ((g * 16 + g) * 3 * (15 - n) + 0x80 * n) / 15;
	b = ((b * 16 + b) * 3 * (15 - n) + 0x80 * n) / 15;

	document.write('<TD BGCOLOR=#' + ToHex(r) + ToHex(g) + ToHex(b) + ' height=8 width=8></TD>');
}

var cnum = new Array(1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0);

  for(i = 0; i < 16; i ++)
  {
     document.write('<TR>');
     for(j = 0; j < 30; j ++)
     {
     	n1 = j % 5;
     	n2 = Math.floor(j / 5) * 3;
     	n3 = n2 + 3;

     	wc((cnum[n3] * n1 + cnum[n2] * (5 - n1)),
     		(cnum[n3 + 1] * n1 + cnum[n2 + 1] * (5 - n1)),
     		(cnum[n3 + 2] * n1 + cnum[n2 + 2] * (5 - n1)), i);
     }

     document.writeln('</TR>');
  }
</SCRIPT>
</TABLE></td><td>
<TABLE ID=GrayTable BORDER=0 CELLSPACING=0 CELLPADDING=0 style='cursor:hand'>
<SCRIPT LANGUAGE=JavaScript>
  for(i = 255; i >= 0; i -= 8.5)
     document.write('<TR BGCOLOR=#' + ToHex(i) + ToHex(i) + ToHex(i) + '><TD TITLE=' + Math.floor(i * 16 / 17) + ' height=4 width=20></TD></TR>');
</SCRIPT>
</TABLE></td></tr></table></center></div>

<div align="center"><center><table border="0" cellspacing="10" cellpadding="0">
<tr><td rowspan="2" align="center">
选中色彩<table ID=ShowColor border="1" width="40" height="30" cellspacing="0" cellpadding="0">
<tr><td></td></tr></table></td>
<td rowspan="2">基色: <SPAN ID=RGB></SPAN><BR>
亮度: <SPAN ID=GRAY>120</SPAN><BR>
代码: <INPUT TYPE=TEXT SIZE=7 ID=SelColor></td>
<td><BUTTON ID=Ok TYPE=SUBMIT>确定</BUTTON></td></tr>
<tr><td><BUTTON ONCLICK="window.close();">取消</BUTTON></td></tr></table></center></div>

</BODY>   
</HTML>